1084638258390 has 32 divisors (see below), whose sum is σ = 2627013771360. Its totient is φ = 286583318784.

The previous prime is 1084638258383. The next prime is 1084638258409. The reversal of 1084638258390 is 938528364801.

It is a self number, because there is not a number n which added to its sum of digits gives 1084638258390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165843559 + ... + 165850098.

It is an arithmetic number, because the mean of its divisors is an integer number (82094180355).

Almost surely, 2^{1084638258390} is an apocalyptic number.

1084638258390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1084638258390 is an abundant number, since it is smaller than the sum of its proper divisors (1542375512970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1084638258390 is a wasteful number, since it uses less digits than its factorization.

1084638258390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331693776.

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 1084638258390 in words is "one trillion, eighty-four billion, six hundred thirty-eight million, two hundred fifty-eight thousand, three hundred ninety".